P1.Could the sequence below (where 30 is the root) be a valid search in a BST for number 65? Justify your answer. 30, 80, 60, 50, 70, 65 P2. (4 points) What is the operation you do to map/scale values from range [A,B] to range [X,Y]? You can assume that A [20,30], [5,10] 21,23])